LINER, SCTN CANISTER 1500CC (100/CS) CRDâ„¢ disposable liners are easily assembled by snapping the lid onto the liner Engineered for clinician safety, CRDâ„¢ lids contain integrated filters and shut-off valves The lids also lock into place after assembly in order to minimize the risk of spillage during the transport process CRDâ„¢ disposable liners require the use of a reusable outer canister